The Powerfly FS+ 4 is a full-power full suspension electric mountain bike for alpine adventures. Its Alpha Platinum Aluminum frame pairs with a RockShox Deluxe suspension package (120mm rear, 130mm front) and is powered by the Bosch Performance Line CX motor with 85Nm torque (120Nm upgrade ready). Features a 600Wh battery with RIB 2.0 removable system, Shimano CUES 10-speed drivetrain, Tektro Gemini SL 4-piston hydraulic disc brakes, and Bosch Purion 200 display. UL 2849 certified.
In brief: 250W Mountain. 600Wh battery. Class 1 (PAS only 32 km/h). Up to 32 km/h. Aluminum frame. From $4500.
Specs verified Aug 5, 2026
Where to Find
Prices tracked across 1 sellerPrice History
Current best price $4,499.99. Over the past 90 days: low $4,499.99, high $4,499.99, average $4,499.99 — about average.
- Trek
Reviews
No reviews yet — be the first to share your experience.
Sign in with Google to leave a review.
Specifications
Classification
- E-Bike Class
- Class 1 (PAS only 32 km/h)
- Bike Type
- Mountain
Motor
- Motor Position
- Mid-Drive
- Wattage
- 250W
- Peak Wattage
- 750W
- Torque
- 85.00 Nm
- Top Assist Speed
- 32 km/h
Battery
- Energy
- 600Wh
- Chemistry
- Li-ion
- Removable
- Yes
Frame & Build
- Frame Material
- Aluminum
- Frame Style
- High Step
- Wheel Size
- 29" / 700c
- Folding
- No
Drivetrain & Brakes
- Gears
- 10-speed
- Drivetrain
- Derailleur
- PAS Sensor
- Torque
- Throttle
- No
- Brakes
- Hydraulic Disc
Features
- Max Payload
- 136 kg
- Suspension
- Full Suspension
- Integrated Lights
- No
- Rear Rack
- No
- Fenders
- No
- UL Certified
- Yes
Physical
- Weight
- 24.58 kg
Alternative E-Bikes
Santa Cruz Bicycles Bullit 70 2026 (L, Gloss Black)
Santa Cruz Bicycles Vala XT Di2 Lite RSV 2027 (S, Matte Carbon Sparkle)Santa Cruz Bicycles Vala XT Di2 Lite RSV 2027 (XXL, Gloss Slate Blue)
Santa Cruz Bicycles Bullit X0 AXS RSV 2027 (S, Matte Carbon)
Santa Cruz Bicycles Vala XX AXS Lite RSV 2027 (L, Matte Carbon Sparkle)
Santa Cruz Vala XX AXS RSV 2025 (M, Midnight Green)
